A sample of sizen = 100 is used to test H,: µ < 20 versus H1: µ > 20. The value of u will not have practical significance unless µ > 25. The population standard deviation is o = 10. The value of xis 21. Assume the sample size is n = 100. Compute the P-value. Show that you do not reject Но- Assume the sample size is n = 1000. Compute the P-value. Show that you reject Họ. Do you think the difference is likely to be of practical significance? Explain. d. Explain why a larger sample can be more likely to produce a statistically significant result that is not of practical significance. a. b. C.

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A sample of sizen = 100 is used to test H,: µ < 20 versus H1: µ > 20. The value of u will
not have practical significance unless µ > 25. The population standard deviation is o = 10.
The value of xis 21.
Assume the sample size is n = 100. Compute the P-value. Show that you do not reject
Но-
Assume the sample size is n = 1000. Compute the P-value. Show that you reject Họ.
Do you think the difference is likely to be of practical significance? Explain.
d. Explain why a larger sample can be more likely to produce a statistically significant
result that is not of practical significance.
a.
b.
C.
Transcribed Image Text:A sample of sizen = 100 is used to test H,: µ < 20 versus H1: µ > 20. The value of u will not have practical significance unless µ > 25. The population standard deviation is o = 10. The value of xis 21. Assume the sample size is n = 100. Compute the P-value. Show that you do not reject Но- Assume the sample size is n = 1000. Compute the P-value. Show that you reject Họ. Do you think the difference is likely to be of practical significance? Explain. d. Explain why a larger sample can be more likely to produce a statistically significant result that is not of practical significance. a. b. C.
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